Air Pollution MCQ (Multiple Choice Questions) PDF - 126

MCQ 626: What is the natural sources of CO?

1. solid waste disposal
2. Volcanic eruption and forest fire
3. Motor vehicles
4. Fuel combustion

MCQ 627: What does high velocity in river cause ?

1. Reaeration
2. Currents
3. Hydrography
4. Turbidity

MCQ 628: Which treatment is usually accomplished by sedimentation?

1. Secondary Treatment
2. Preliminary Treatment
3. Primary Treatment
4. Tertiary Treatment

MCQ 629: What does sewage consist of ?

1. Fuel waste
2. Faeces
3. Paper waste
4. Nutrient

MCQ 630: Which air pollutant is responsible for corrosion?

1. Nox
2. SO₂
3. Smog
4. Lead